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Posted to dev@hama.apache.org by "MaoYuan Xian (JIRA)" <ji...@apache.org> on 2013/06/14 09:08:20 UTC

[jira] [Resolved] (HAMA-761) Improvement for GraphJobMessage comparation operation

     [ https://issues.apache.org/jira/browse/HAMA-761?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

MaoYuan Xian resolved HAMA-761.
-------------------------------

       Resolution: Fixed
    Fix Version/s: 0.6.2
    
> Improvement for GraphJobMessage comparation operation
> -----------------------------------------------------
>
>                 Key: HAMA-761
>                 URL: https://issues.apache.org/jira/browse/HAMA-761
>             Project: Hama
>          Issue Type: Improvement
>          Components: graph
>    Affects Versions: 0.6.1
>            Reporter: MaoYuan Xian
>            Assignee: MaoYuan Xian
>             Fix For: 0.6.2
>
>         Attachments: HAMA-761.patch
>
>
> Currently, GraphJobMessage comparation opertion depends on the default comparator (org.apache.hadoop.io.WritableComparator used), which has to read out all GraphJobMessage message (including vertexId and vertexValue) when does the comparation. 
> Since lots of comparation operations happen in graph computing, this limitation makes a performance downgrade.

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